Hydraulic-cement and water paint.



106. comrosmoas,

reater degree of fi gness than can rdi-' 55 nan y e 0 ame commercially. The par coumcon PLASUC 8 UNITE STATES P Erf WILLIAM P. D. MOROSS, 0F CHATTANOOGA, TENNESSEE.

HYDRAULIC-CEMENT To all whom it may concern:

Be it known that I, TILLIAM P. D. M0- noss, a citizen of the United States, residing at Chattanooga, in the county of Hamilton and State of Tennessee, have invented new and useful Improvements in Hydraulic-Cement and ater Paint, of which the followmg is a specification. My invention relates to the composition of 10 paints which may be put in the form of a rv- )owder. and be made ready for use by m 'iimtth 'water and particularly to a paint in which the main ingredient is h draulic cement and which will setan d harden into a firm, compact, and nonshrinking surface.

One object of my invention is to provide a paint having hydraulic properties in its nature and activity, and which, when applied to concrete, stucco, brick, stone, iron or steel, or other surfaces, will spread an even film thereover, and, because of its finely divided state, will enter into the pores and rough places in -the surface coated and adhere thereto, and by absorbing moisture from the air and frbm the object coated, and by the water used in mixing, will setland harden into a firm and compact coatingf By reason of the fact that it is'practically insoluble in water, and resists to a great extent, if not altogether, the corrosive effects of the ordinary gases present in the atmosphere, as well as being non-corrosive itself, the coating thoroughly protects the material or object coated and when applied to iron or steel operates to prevent rust. Another important object of my invention is to provide a paint having the above-mentioned characteristics, which will be practically'free from shrinkage in setting, as free 1 as possible from eheckin oras it is some times termed?alli ator-in and yet have sufficient elasticity to accommodate itself as much as possible to any contraction or expansion of the object coated without necessarily cracking.

' My invention and the manner of using the same will be understood from the following description. Y

The principal ingredient or base of ,my

paint is hvdraulic cement, either fnatur l or Portlanc. ms must be re rou'ntl and sepaW reduced by mecmeans to a ticles must be of such' fineness that they Cross Reference OFE m n) WATER rAin'r.

Specification of Letters Patent. Patented Aug. 20, 1912.

1911. Serial No. 644,046.

i will pass through a No. 200imesh standard sieve, its composltion' remaining unchanged. To this base is added, in proper proportion, silica, uartz sand, or other suitable sillclous matter, snni arly pulverized and prepared;

or if preferred, limestone dust, whitin or other forms of calclum earbonaw her mineral similar y re uce to a gre a egree o neness, either in whole or in part maybe used. There is also added pulverized actmolite, asbestos, or other form of hydrous ably h drat-ed h drau 1c nne.

Thmfied are mixed in proportions of about 55. to per cent. of

the cement, prepared as above specified, with about 5 per cent. of the h drated lime and 5 per cent. of the ground kaolin, to which is added about equal proportlons of glulvercolorin matter or glgment may be lncorporated to give the esire shade or color.

It is to be understood that while I-have stated the preferred proportions of the several ingredients of my composition, yet these may be varied to suit particular conditions, both of the cement used as a base, and of the other ingredients, in order to secure the best results. The materials are mixedby any suit- 1113 119811111] silicate, and a small pencil-age of ground kaolin and h dratcd lnne preferable mechanical orother means until thoroughly blended, and the composition is then packed in suitable receptacles ready for use.

To prepare the paint for use, a quantity of the composition is mixed with er in a bucket or other suitable vessel and stirred until the resulting liquid is about the consistency of buttermilk, when it is ready for application to the .surface to be covered by means of a brush or manner.

The advantages possessed by my composition-will now be appreciated by those skilled in this art. The pulverized calcium carbonspray in the ordinary ates orpulverized. silica, or both, provide'a 4 filler'material with which the crystals or colloids int-he setting of the cement, will take hold and unite to prevent cracking through shrinkage, which might otherwise occur. The asbestos or actinolite, being of- Examine a more fibrous nature, while serving similarly as a filler, will impart additional elasticity to the paint when set. The kaolin assists in the spreading and covering capacity of the paint, and is notto be employed in sufiicient- (piantity tobe deleterious to the setting the cement, while the hydrated lime acts very similarly, with the additional property of assisting in preventing oxidation when used on iron or steel.

It will be understood that the nature of my dal amorphous mineral filler, a fibrous mineral filler, hydrated lime, and clay. I 5. An hydraulic cement and water paint,

comprising cement and a filler comprising calcium carbonate, ulverized fibrous hydrous magnesium silicate, and kaolin.

6. An hydraulic cement and Water paint, comprising cement'and a filler comprising calclum carbonate, pulverized silica, pulverizedfibrous h drous magnesium silicate, kaolin, and by rated lime.

7. A non-corrosive 'water paint, comprising the following ingredients in substantially the proportlons specified, viz: 55 per cent. of cement, 5 per cent. of hydrated lime, '5 per cent. of round kaolin, and equal proportions of pa verized fibrous actinolite and pulverized silica.

8. A non-corrosive water paint, comprising the following ingredients in substantially thepr'oportions specified, viz: per

cent. of cement, 5 er cent. of hydrated lime,

5. per cent. of ground kaolin, a small proportion of prepared casein, and equal proportions of pulverized fibrous actinolite and pulverized silica. In testimony whereofl have hereunto set my hand in presence of two subscribing wit nesses. I,

VVILLIAM P. D. MOROSS.

Witnesses: v I E. De L. v\Voon,

C. W. S'rooKE. 

